(d) Certificate of Lease Termination: a replacement certificate of lease termination
 executed by a duly authorized officer of Lessee, substantially in the form of Schedule 3
 hereto, acknowledging that the Extended Lease is no longer in effect with respect to the
 Aircraft, which certificate Lessor will hold in escrow to be filed at the FAA upon the
 expiration of the Term or other termination of the leasing of the Aircraft to Lessee
 pursuant to the Extended Lease.

 (e) Other: such other documents as Lessor may reasonably request.

5.2 Further Conditions: The obligation of Lessor to extend the Term under this Agreement is subject
 to the further condition that, as of February 23, 2003 (the Expiry Date prior to the amendment
 contained herein), no Default or Event of Default shall have occurred and be continuing under the
 Lease or any other Operative Document.

5.3 Waiver: The conditions specified in Clauses 5.1 and 5.2 are for the sole benefit of Lessor and
 may be waived or deferred (in whole or in part and with or without conditions) by Lessor.

6. MISCELLANEOUS

6.1 Further Assurances: Lessee agrees from time to time to do and perform such other and further acts
 and execute and deliver any and all such other instruments as may be required by law or reasonably
 requested by Lessor to establish, maintain and protect the rights and remedies of Lessor and to
 carry out and effect the intent and purpose of this Agreement.

6.2 Counterparts: This Agreement may be executed in any number of separate counterparts, and each
 counterpart shall when executed and delivered be an original document, but all counterparts shall
 together constitute one and the same instrument.